Donald J. Wuebbles is the Harry E. Preble Endowed Professor of Atmospheric Science at the University of Illinois. Dr. Wuebbles was the first Director of the School of Earth, Society, and Environment, and was also Head of the Department of Atmospheric Sciences at the University for many years. He is the author of over 400 peer-reviewed scientific articles, most of which relate to atmospheric chemistry and climate change issues. He has been a lead author on a number of national and international assessments related to concerns about climate change, including recently coauthoring a major assessment of the understanding of potential climate impacts of climate change on the United States. Dr. Wuebbles received the 2005 Stratospheric Ozone Protection Award from the U.S. Environmental Protection Agency. He has been honored by being selected a Fellow of two major professional societies, the American Association for the Advancement of Science and the American Geophysical Union. He shares in the 2007 Nobel Peace Prize for his work with the international Intergovernmental Panel on Climate Change. He is also chair of the Global Environmental Change Focus Group for the American Geophysical Union.